alarmist /əˈlɑɹmɪst/adjective 1noun 1forms 1 adjective1 •Of or relating to causing others to become alarmed without cause.This deliberately alarmist scaremongery has since been repeated on various occasions, notably in Brazil before 1964 and in Chile under Allende. — 1979 noun1 •One who causes others to become alarmed without cause.I don't mean to be an alarmist, but I do think you should prepare yourself for the worst. formsalarmists